Installing Eclipse e4 Tools
Follow link from http://projects.eclipse.org/projects/eclipse.e4, the repository is like follows
http://download.eclipse.org/e4/downloads/drops/R-0.14-201306242200/repository
Check also e4 wiki
From Vogella blog
http://download.vogella.com/kepler/e4tools
But maybe the best way is to search on marketplace
